pdf.net records 1,257,131 monthly visits with -22.3% month-over-month growth and Freemium, Free pricing. Thinkstack.ai records 917 monthly visits with -47.4% growth and Freemium pricing.
All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
Build custom AI chatbots and agents trained on your own data
| Dimension / Metric | | |
|---|---|---|
| Official Domain | pdf.net | app.thinkstack.ai |
| Pricing Model | Freemium, Free | Freemium |
| Monthly Visits | 1.26M (1,257,131) | 917 (917) |
| MoM Traffic Delta | -360.37K (-22.3%) | -828 (-47.4%) |
| Primary Market & Share | 🇺🇸 United States (76.7%) | 🇺🇸 United States (48.2%) |
| Direct Visits / mo | 181.52K | 367 |
| User Rating | 4.1 | 4.1 |
| Supported Platforms | Website | Website |
All-in-one online PDF editor with AI helpers for reading, summarizing, and generating documents
Edit text, fonts, sizes and colours directly in the document, insert images, add page numbers, watermarks and Bates numbering, rotate, extract or rearrange pages, and split or merge files.
Convert between PDF and Word, Excel, PowerPoint, CSV, JPG, PNG, HEIC, EPUB, Markdown and text, including bank-statement-to-spreadsheet and PDF comparison workflows.
Type, draw or upload a signature, request signatures by email, add password protection, black out sensitive content and make flat or scanned forms fillable.
Chat with a PDF to ask questions about its contents, summarize a long document into key points, generate a formatted PDF from a description, or have AI populate a form automatically.
Build custom AI chatbots and agents trained on your own data
Create fully functional AI agents in seconds from a visual, no-code interface without engineering help.
Connect multiple data sources so the bot answers from your own documents, help content, and websites.
Automate customer actions and build autonomous systems that require minimal human oversight.
Move complex chats to live agents and collect structured data through chat-based forms.
SpecialistDelivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
SpecialistDelivers quick PDF summarization and document chat, but lacks the broader editing and e-signature features of pdf.net.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
Provides professional desktop and cloud PDF editing software with extensive document conversion tools, but requires downloads.
SpecialistAn AI agent that summarizes, transcribes, and turns your ideas into slides, docs, and media
SpecialistAn AI agent that summarizes, transcribes, and turns your ideas into slides, docs, and media
Offers a robust free PDF editing and reading suite with built-in AI summarization, rivaling pdf.net's workspace.
Provides comprehensive cloud PDF conversion and editing tools paired with AI chat, closely matching pdf.net's feature set.
Provides comprehensive cloud PDF conversion and editing tools paired with AI chat, closely matching pdf.net's feature set.
Features a massive collection of free browser-based file utilities, though with a less polished dedicated PDF workspace.
Features a massive collection of free browser-based file utilities, though with a less polished dedicated PDF workspace.
SpecialistSpecializes purely in conversational Q&A and chat with PDF documents, lacking advanced editing and e-signature tools.
AI customer service that answers instantly and turns chats into revenue
AI customer service that answers instantly and turns chats into revenue
Custom AI agents trained on your documentation and knowledge base
Custom AI agents trained on your documentation and knowledge base
SpecialistTranslate, summarize, and understand documents in 154 languages without losing the layout
SpecialistTranslate, summarize, and understand documents in 154 languages without losing the layout
SpecialistFree AI Summarizer for text, articles, URLs and images
SpecialistFree AI Summarizer for text, articles, URLs and images
Custom AI support chatbots trained on your own website content
Custom AI support chatbots trained on your own website content
